20,278 Topics
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| | I am a beginning programmer and am having a problem with adding a record to a customer table in a Microsoft Access database. I have worked for hours reading my textbook and troubleshooting to no avail. When I execute this code below the record is not added and I do … |
| | Help needed please. I have a VB.Net solution using a web service that was developed by another developer and has been working for years. Now all of a sudden it fails with this error message: A first chance exception of type 'System.Configuration.ConfigurationException' occurred in system.dll Additional information: Unrecognized configuration section … |
| | Hi, Am getting this error "System.NullReferenceException: Object reference not set to an instance of an object." This error comes when i am trying to export crystal report in excel format. Exporting to pdf works fine though. On local development machine, exporting to pdf and excel works. On server, only exporting … |
| | Hi, what I am trying to achieve is to extract a certain word from a .txt file, eg. "word". I am also running an XML file into a dataset. Within this dataset I want to locate the column which has the name "word" (same string from txt file). Once I … |
| | Hey there, I am having a little trouble with my select statement. It works grand until I but a where clause in. then I the follow error [I]Syntax error (missing operator) in query expression 'MacStatus where((Rating =70 ))'.[/I] This is the string I am submitting to the DataBase . [CODE] … |
| | pls u need VB codes extract frames from a webcam and convert to greyscales  |
| | i want to insert only integer value from front end. Example- i have a textbox1 in a window form. i want to insert only price in integer. if i write a string value in it, it display a msg to please insert correct value. |
| | How can I print a mathematical formula in a form? For a example I found in wikipedia a guide to do it in HTML: [url] [URL="http://en.wikipedia.org/wiki/Help:Displaying_a_formula"]http://en.wikipedia.org/wiki/Help:Displaying_a_formula[/URL] But how can I do it in VB2008, showing the formula in a form? |
| | Hello, I'm new to vb. Basically, I want to learn how to remove the last part of a string if its seperated by spaces... For Example (How to change): "John said 687" To "687" or "John decided to say hello" To "hello" in otherwords, the last word of the string, … |
| | I am trying to build a VB.NET 2005 windows app which gets cars info from a webpage(webapplication) that has a username and password. I was able to programmatically login to this webpage(by automatically populating the input boxes using webbrowser control) And after I logged in, I could view the cars … |
| | New to VB.NET How do you create a label which is'nt associated with a handle so that it displays the data when the form is loaded with clicking it etc? |
| | Hello everyone, I'm trying to implement windows form with data grid (or anything you say is better) which should represent a hierarchical data. This data are stored in a xml file which structure is as follows: [code] <elements> <element> <term>name of element</term> <subelements> <caption> <term>caption name</term> <subelements> <caption> <term>caption 2 …  |
| | how to m a Win+D action button visual basic ?? GR Kevin (Kzip) |
| | I apologize for not knowing the proper terminology. I'm trying to connect to a database, and the tables appear, but there are no entries in them! What did I do wrong? [CODE] Dim MyConnection As OleDb.OleDbConnection Dim MyAdapter As OleDb.OleDbDataAdapter Dim MyCommand As OleDb.OleDbCommand Dim StrConn As String Dim StrSql … |
| | I'm writing a batch publishing program in VB.NET using VS2008. My program is a Windows form. The program spawns a process called "xtop". The process converts one CAD format to another. The conversion process demands heavy CPU cycles. The user will add "jobs" to the batch. The batch program will … |
| | Dear Sir, Table Employees has data as follows sno----name 1------Eric 2------Boris 3------Bill Whien I enter "B" in text5 and run following codes then it show error message as [CODE]IndexOutOfRangeException was unhandeled There is no row at position 0I have two question[/CODE] 1) Why it does not select name begins with … |
| | Dear Experts How to display the value of variable abc as tooltip text on picture1 dim abc as string abc=trim("Click to rotate picture") Please help |
| | Hi, I have an icon file (32x32) and I added it as application icon in the properties and it is coming fine only if the view is set to "Medium Icons" else it is showing only the default icon. How can I add all sets of icons to an application … |
| | hey everyone need some help again, i have two computers both running in vista ultimate. one is a server and the other is like a terminal. my problem is, how do i connect the terminal to a database which is in the server? please provide me a step by step … |
| | I'm using mysql database..I have forms setup main form has datagrid..you can add to this datagrid and save to datbase with my add form and it works fine. I can delete from the datagrid and it works fine...when I select an account to edit is when I have my issue...form … |
| | Hey all, I am having a little trouble with my sql and VB.net I think There it is I want to select records from a customer table which is like what the user types in (So they don't have to be exact matches. The statment runs but I don't think … |
| | Hi again I've acquired a strange effect in the program that I'm writing to drill balls with holes at various angles over the surface. The code reads in data from a text file that is read into a number of public variables. These values are then read back when the … |
| | Please give me the code to plot a graph when integer values of x-axis and y-axis are feeded... |
 | Use visual basic 8.0 Dymo labelwriter 400 Installed Dymo labelwriter 400 Software Development Kit (SDK). My problem is that there is a label is printed, but the mylabel. SetField are not included in the barcode label. The default values are printed. The object name in the label are correct (OText1 … |
| | Dear Experts I use following codes to select data in ListView1, given value in textbox1.text. That codes work fine. Textbox1 data is integer and DataGridView1 first Column Value is Integer. I want to locate this value in Grid. My question is how to select data in DataGridVeiw, given data in … |
| | Can anyone help me out to have the code & steps to have the crystal report in my application... |
| | Dear Sir, SQL Table employees has data as follows sno--name----img-----img_path 1-----A----Binary---D:\C2009\BITMAPS\PICT.JPG 2-----B----Binary---D:\C2009\BITMAPS\eric.JPG Now I want to display picture in picturebox1. To do this I use this codes, but it does not display picture on this line: Dim arrPicture() As Byte = CType(dt2.Rows(0)("img_path"), Byte()) it shows this message, please help Unable … |
 | i have a ASCII file that contain 3 line of numbers as below: 307.1642127.1642334.3412154.3412[COLOR="red"]3[/COLOR][COLOR="red"]34[/COLOR][COLOR="red"].[/COLOR][COLOR="Red"]3412[/COLOR]88.2652 271.330896.104 127.1642307.1642285.1534105.1530[COLOR="red"]285[/COLOR][COLOR="red"].[/COLOR][COLOR="red"]1532[/COLOR]87.3500 272.2500214.227 285.1532105.1532307.1642127.1642[COLOR="Red"]307[/COLOR][COLOR="red"].[/COLOR][COLOR="red"]1642[/COLOR]87.2001 272.395952.055 i just want to extract red number which is its stand for angle/azimuth ... so how can i do that in vb.net? the problem here is its not separated by any … |
| | I use Microsoft Visual Basic 2008 Express Edition and I am begginer in computer networks. I want to make two PCs communicate via network using server/client I followed the example from this site: [url]http://www.eggheadcafe.com/articles/20020323.asp[/url] (VB.NET TCP Client/Server Socket Commmunications) When I run the applications server and client in one computer … |
| | Hi there, I'm just wondering if anyone can help me with this. As stated in the title, I need to simplify my code. Here's my sample code: [CODE=VB] textbox1.Text = name(1) textbox2.Text = name(2) textbox3.Text = name(3) textbox4.Text = name(4) textbox5.Text = name(5) [/CODE] I'm thinking about making it like … |
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